Home / 456,989.09-630,651.60-263,289.92

Finding the Fourth Proportional to 456,989.09, 630,651.60 and 263,289.92

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Solution

The fourth proportional to 456,989.09, 630,651.60 and 263,289.92 is: 363,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,989.09 : 630,651.60 = 263,289.92 : x
  2. Step 2: Convert to fraction form
    456,989.09/630,651.60 = 263,289.92/x
  3. Step 3: Cross multiply
    456,989.09x = 630,651.60 × 263,289.92
  4. Step 4: Simplify right side
    456,989.09x = 166,044,206,158.61
  5. Step 5: Solve for x
    x = 166,044,206,158.61/456,989.09
  6. Step 6: Final answer
    x = 363,343.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.